🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.8

Radius: 10.2

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 12.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,226,133 km

• M1: 126,859 km (0.115 R)
• M2: 503,696 km (0.062 R)
• M3: 1,036,564 km (0.093 R)
• M4: 1,893,161 km (0.113 R)
• M5: 2,224,371 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 15

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.8 AU - 1.02 AU

Year: 579 Days

Day: 13.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,226,133 km

• M1: 186,848 km (0.084 R)
• M2: 706,252 km (0.076 R)
• M3: 1,269,936 km (0.109 R)
• M4: 1,982,621 km (0.069 R)
• M5: 2,711,761 km (0.073 R)
• M6: 3,447,633 km (0.059 R)
• M7: 4,024,183 km (0.091 R)
• M8: 4,510,077 km (0.079 R)
• M9: 4,985,947 km (0.092 R)
• M10: 6,210,256 km (0.078 R)
• M11: 7,069,547 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.5

Radius: 8.6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.96 AU - 1.36 AU

Year: 833 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,226,133 km

• M1: 106,962 km (0.104 R)
• M2: 391,198 km (0.057 R)
• M3: 1,185,713 km (0.074 R)
• M4: 1,459,477 km (0.099 R)
• M5: 2,059,065 km (0.098 R)
• M6: 2,372,473 km (0.097 R)
• M7: 2,717,595 km (0.078 R)
• M8: 4,046,772 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.8

Radius: 10.9

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.18 AU - 1.92 AU

Year: 1287 Days

Day: 11.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,226,133 km

• M1: 135,536 km (0.04 R)
• M2: 564,134 km (0.083 R)
• M3: 968,048 km (0.038 R)
• M4: 1,336,358 km (0.105 R)
• M5: 2,208,364 km (0.083 R)
• M6: 3,127,942 km (0.061 R)
• M7: 4,179,465 km (0.078 R)
• M8: 6,317,368 km (0.119 R)
• M9: 6,844,103 km (0.052 R)
• M10: 7,296,786 km (0.113 R)
• M11: 8,290,415 km (0.067 R)
• M12: 9,402,376 km (0.047 R)
• M13: 9,930,905 km (0.056 R)
• M14: 11,287,309 km (0.101 R)
• M15: 12,064,320 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 9.6

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.43 AU - 6.69 AU

Year: 8743 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,226,133 km

• M1: 121,473 km (0.106 R)
• M2: 489,933 km (0.087 R)
• M3: 906,862 km (0.102 R)
• M4: 2,087,638 km (0.114 R)
• M5: 2,434,257 km (0.055 R)
• M6: 4,514,116 km (0.05 R)
• M7: 5,802,602 km (0.068 R)
• M8: 7,280,180 km (0.1 R)
• M9: 8,305,674 km (0.049 R)
• M10: 8,853,352 km (0.027 R)
• M11: 9,819,455 km (0.059 R)
• M12: 12,305,921 km (0.079 R)
• M13: 12,718,063 km (0.097 R)
• M14: 18,408,317 km (0.091 R)
• M15: 27,149,919 km (0.107 R)
• M16: 28,868,350 km (0.109 R)
• M17: 29,491,724 km (0.091 R)
• M18: 41,775,205 km (0.112 R)
• M19: 46,856,596 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.3

Radius: 6.1

Gravity: 16.35 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.4 AU - 6.94 AU

Year: 10220 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,226,133 km

• M1: 92,601 km (0.1 R)
• M2: 293,212 km (0.06 R)
• M3: 629,059 km (0.111 R)
• M4: 896,091 km (0.049 R)
• M5: 1,493,286 km (0.116 R)
• M6: 1,846,187 km (0.098 R)
• M7: 2,217,190 km (0.062 R)
• M8: 3,018,137 km (0.1 R)
• M9: 3,222,338 km (0.027 R)
• M10: 3,683,848 km (0.114 R)
• M11: 5,400,184 km (0.041 R)
• M12: 5,702,222 km (0.08 R)
• M13: 6,906,634 km (0.1 R)
• M14: 9,758,867 km (0.112 R)
• M15: 10,878,907 km (0.091 R)
• M16: 11,306,757 km (0.032 R)
• M17: 12,892,793 km (0.031 R)
• M18: 13,311,368 km (0.108 R)
• M19: 15,407,533 km (0.107 R)
• M20: 16,779,795 km (0.107 R)
• M21: 19,765,020 km (0.049 R)
• M22: 22,223,362 km (0.07 R)
• M23: 23,525,911 km (0.086 R)
• M24: 27,638,955 km (0.108 R)
• M25: 27,935,757 km (0.095 R)
• M26: 28,838,580 km (0.076 R)
• M27: 33,534,756 km (0.11 R)
• M28: 35,361,496 km (0.094 R)
• M29: 37,013,356 km (0.062 R)
• M30: 42,934,738 km (0.064 R)
• M31: 44,406,333 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.6

Radius: 7.9

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.29 AU - 9.57 AU

Year: 14892 Days

Day: 21.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,226,133 km

• M1: 121,025 km (0.032 R)
• M2: 423,212 km (0.115 R)
• M3: 683,812 km (0.092 R)
• M4: 1,224,159 km (0.118 R)
• M5: 1,956,740 km (0.1 R)
• M6: 2,781,024 km (0.101 R)
• M7: 3,178,356 km (0.113 R)
• M8: 3,766,725 km (0.071 R)
• M9: 4,087,163 km (0.119 R)
• M10: 6,114,215 km (0.1 R)
• M11: 6,672,065 km (0.109 R)
• M12: 8,824,928 km (0.03 R)
• M13: 9,586,082 km (0.074 R)
• M14: 11,022,371 km (0.114 R)
• M15: 11,679,854 km (0.036 R)
• M16: 12,479,604 km (0.036 R)
• M17: 13,746,997 km (0.109 R)
• M18: 15,771,655 km (0.104 R)
• M19: 16,046,616 km (0.091 R)
• M20: 16,819,289 km (0.1 R)
• M21: 21,476,420 km (0.115 R)
• M22: 23,737,143 km (0.119 R)
• M23: 24,832,199 km (0.077 R)
• M24: 25,111,199 km (0.053 R)
• M25: 28,420,603 km (0.116 R)
• M26: 29,550,516 km (0.08 R)
• M27: 38,436,779 km (0.102 R)
• M28: 41,231,716 km (0.057 R)
• M29: 41,492,316 km (0.113 R)
• M30: 42,945,360 km (0.07 R)
• M31: 45,119,017 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 19,218 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit